The overwhelming wave of negative emotions (apathy, lethargy, depression, etc.) felt immediately after one consumes a meal served by the fast-food franchise McDonald's.

Gentleman: "Man, I am so pumped my welfare check came in. Now we can go hit up Mickey D's."
Onlooker: "Get the extra Big Mac for only $0.49!"
---20 Minutes, a large fry, and two Big Macs Later---
Gentleman: "Oh, my God. I feel the McDrag coming."
---30 Seconds and a belch later---
Gentleman: "I'm such a bum, but I don't even care. Who needs to work when Uncle Sam kisses my butt? I think I'll lay here and sleep and bask in the pool of my own filth and sebaceous oils."